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Characterization and Improved Dissolution Rate of Aceclofenac Solid Dispersion  

Kim, Yun-Tae (Department of BIN Fusion Technology, Department of Polymer.Nano Science Technology, Chonbuk National University)
Park, Hyun-Jin (Department of BIN Fusion Technology, Department of Polymer.Nano Science Technology, Chonbuk National University)
Lee, Young-Hyun (Department of BIN Fusion Technology, Department of Polymer.Nano Science Technology, Chonbuk National University)
Hong, Hee-Kyung (Department of BIN Fusion Technology, Department of Polymer.Nano Science Technology, Chonbuk National University)
Eom, Shin (Department of BIN Fusion Technology, Department of Polymer.Nano Science Technology, Chonbuk National University)
Kim, Yong-Ki (Department of BIN Fusion Technology, Department of Polymer.Nano Science Technology, Chonbuk National University)
Lee, Eun-Yong (Department of BIN Fusion Technology, Department of Polymer.Nano Science Technology, Chonbuk National University)
Choi, Myoung-Gyu (Research Center, Whanin Pharm Co., Small and Medium Business Center)
Lee, Jae-Jun (Research Center, Whanin Pharm Co., Small and Medium Business Center)
Cho, Yong-Baik (Research Center, Whanin Pharm Co., Small and Medium Business Center)
Khang, Gil-Son (Department of BIN Fusion Technology, Department of Polymer.Nano Science Technology, Chonbuk National University)
Publication Information
Polymer(Korea) / v.33, no.6, 2009 , pp. 596-601 More about this Journal
Abstract
We prepared nanoparticles containing insoluble aceclofenac by the method of solid dispersions using spray dryer to improve solubility of aceclofenac. We used PVP-K30 as a water soluble carrier for the solid dispersion and poloxamer as a surfactant. Characterization of aceclofenac solid dispersion was performed by SEM, DSC, XRD and FT-IR. The results of SEM, DSC and XRD demonstrated that aceclofenac is amorphous in solid dispersion. The formation of salt by hydrogen bond between aceclofenac and PVP K-30 was confirmed by FT-IR. The dissolution rate measured in intestinal juice showed the method of solid dispersion improved aceclofenac solubility as compared with a conventional drug($Airtal^{(R)}$). In conclusion, the method of solid dispersion using spray dryer would improve solubility of aceclofenac in oral administration.
Keywords
aceclofenac; solid dispersion; PVP K-30; spray-drying;
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